package editor.cn;
class Solution815{
    public static void main(String[] args) {
        Solution solution = new Solution815().new Solution();
    }
    //leetcode submit region begin(Prohibit modification and deletion)

    class Solution {
        public int numBusesToDestination(int[][] routes, int source, int target) {

            return 1;
        }


    }
//leetcode submit region end(Prohibit modification and deletion)

}












